Unblock more, incl th-desugar and singletons
Unblock more, incl th-desugar and singletons

phaazon/stackage,spencerjanssen/stackage,peti/stackage,lwm/stackage,ethercrow/stackage,fpco/stackage,clinty/stackage,int-index/stackage,asr/stackage,mstksg/stackage,athanclark/stackage,iand675/stackage,michalkonecny/stackage,garetxe/stackage,jonschoning/stackage,wereHamster/stackage,fimad/stackage,stackbuilders/stackage,soenkehahn/stackage,Shimuuar/stackage,simonmichael/stackage,Daniel-Diaz/stackage,massysett/stackage,creichert/stackage,mgajda/stackage,mrkkrp/stackage